Mechanical and optical properties of LCD elements: requirements and methods of control

Michael I. Shribak; Victor L. Kolpashchikov; Oleg G. Martynenko; A. I. Shnip

doi:10.1117/12.284798

20 October 1997 Mechanical and optical properties of LCD elements: requirements and methods of control

Michael I. Shribak, Victor L. Kolpashchikov, Oleg G. Martynenko, A. I. Shnip

Author Affiliations +

Proceedings Volume 3238, Current Ukrainian Research in Optics and Photonics: Optoelectronic and Hybrid Optical/Digital Systems for Image Processing; (1997) https://doi.org/10.1117/12.284798
Event: Optoelectronic and Hybrid Optical/Digital Systems for Image Processing, 1997, none, Ukraine

Abstract

The principal stages in technological chain of liquid crystal displays (LCD) production are presented for case where the measurement of optical polarization properties is required. Experimental set-up is described and result of LCD's substrates research are given. Influence of rubbing of polyimide layer on phase shift is considered. Analysis of five polyimide layers grouped with various structure and dopes is carried out. We have established that optical polarization technique allows to evaluate the degree and homogeneity of rubbing, determine the pre-inclination angle of polyimide molecular chains relatively to the surface of substrate.

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Michael I. Shribak, Victor L. Kolpashchikov, Oleg G. Martynenko, and A. I. Shnip "Mechanical and optical properties of LCD elements: requirements and methods of control", Proc. SPIE 3238, Current Ukrainian Research in Optics and Photonics: Optoelectronic and Hybrid Optical/Digital Systems for Image Processing, (20 October 1997); https://doi.org/10.1117/12.284798

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